four pseudo-elements:

The :first-line pseudo-element

Applies special styles to the contents of
the first formatted line of an element.

Example of the :first-line pseudo-element selector:

<html><head><style type="text/css">
p {width: 400px; text-align: center;}
p:first-line {color: blue ; }
</style></head><body><p>This is a somewhat long HTML
paragraph that will be broken into several
lines. The first line will be identified
by a fictional tag sequence. The other lines
will be treated as ordinary lines in the
paragraph.</p><p> This is a somewhat long HTML paragraph <br/>
that will be broken into several lines.
The first line is fixed by a break (br) element.
The other lines will be treated as ordinary
lines in the paragraph.</p></body></html>